Glenn Langan as Lt. Col. Glenn Manning

Cathy Downs as Carol Forrest

William Hudson as Dr. Paul Linstrom

Larry Thor as Maj. Eric Coulter, MD

James Seay as Col. Hallock

Russ Bender as Richard Kingman

Hank Patterson as Henry

Frank Jenks as Truck Driver

Jimmy Cross as Sergeant at Reception Desk

June Jocelyn as Nurse Wilson

Stanley Lachman as Lt. Cline

Harry Raybould as MP at Main Gate

Jean Moorhead as Woman in Bathtub

Scott Peters as Sgt. Lee Carter

Myron Cook as Capt. Thomas

Michael Harris as Police Lt. Keller

Bill Cassady as Lt. Peterson

Dick Nelson as Sgt. Hansen

Edmund Cobb as Dr. McDermott

Paul Hahn as Attendant

Diana Darrin as Hospital Receptionist

Lyn Osborn as Sgt. Taylor

Jack Kosslyn as Lieutenant in Briefing Room

William Hughes as Bombsite Control Officer

Keith Hetherington as TV Anchorman